Home / 25,797.68-38,646.72-19,031.36

Finding the Fourth Proportional to 25,797.68, 38,646.72 and 19,031.36

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Solution

The fourth proportional to 25,797.68, 38,646.72 and 19,031.36 is: 28,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,797.68 : 38,646.72 = 19,031.36 : x
  2. Step 2: Convert to fraction form
    25,797.68/38,646.72 = 19,031.36/x
  3. Step 3: Cross multiply
    25,797.68x = 38,646.72 × 19,031.36
  4. Step 4: Simplify right side
    25,797.68x = 735,499,641.14
  5. Step 5: Solve for x
    x = 735,499,641.14/25,797.68
  6. Step 6: Final answer
    x = 28,510.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.